Home / 154,620.14-211,777.02-145,541.66

Finding the Fourth Proportional to 154,620.14, 211,777.02 and 145,541.66

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Solution

The fourth proportional to 154,620.14, 211,777.02 and 145,541.66 is: 199,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,620.14 : 211,777.02 = 145,541.66 : x
  2. Step 2: Convert to fraction form
    154,620.14/211,777.02 = 145,541.66/x
  3. Step 3: Cross multiply
    154,620.14x = 211,777.02 × 145,541.66
  4. Step 4: Simplify right side
    154,620.14x = 30,822,378,312.94
  5. Step 5: Solve for x
    x = 30,822,378,312.94/154,620.14
  6. Step 6: Final answer
    x = 199,342.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.